AirHint found the following cheapest return flights from Christchurch (CHC) to Seoul (ICN) in December 2025 (see full year).

Return flights

09 Dec - 31 Jan	Jetstar
05 Dec - 31 Jan	Jetstar
10 Dec - 31 Jan	Jetstar
05 Dec - 30 Jan	Air New Zealand
06 Dec - 31 Jan	Air New Zealand
06 Dec - 30 Jan	Air New Zealand
23 Dec - 30 Dec	Jetstar
27 Dec - 04 Jan	China Southern
27 Dec - 03 Jan	China Southern
18 Dec - 28 Jan	Air New Zealand
18 Dec - 29 Jan	Air New Zealand
18 Dec - 25 Dec	China Southern

Also check the deals for one-way flights from Christchurch to Seoul in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Christchurch to Seoul in December from $1108

Return flights